text: 
  #ifndef _JSONFX_DETAIL_VALUE_FWD_H_
  #define _JSONFX_DETAIL_VALUE_FWD_H_
  
  #if defined(_MSC_VER) && (_MSC_VER >= 1020)
  #pragma once
  #endif
  
  #if defined(_JSONFX_VALUE_H_) || defined(_JSONFX_MEMBER_H_)
  
  // Note: This file must include in namespace JsonFx inner.
  
  // Forward declaration.
  template <typename EncodingT = JSONFX_DEFAULT_ENCODING,
            typename PoolAllocatorT = DefaultPoolAllocator>
  class BasicValue;
  
  #else
  
  #error This file only can use in JsonFx/Value.h or JsonFx/Member.h .
  
  #endif
  
  #endif  /* _JSONFX_DETAIL_VALUE_FWD_H_ */
  